Bibliographies thématiques / Ultrasonic dissection

Littérature scientifique sur le sujet « Ultrasonic dissection »

Auteur : Grafiati
Publié le 11 mars 2023

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Articles de revues sur le sujet "Ultrasonic dissection"

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Payne, J. H. « Ultrasonic dissection ». Surgical Endoscopy 8, no 5 (mai 1994) : 416–18. http://dx.doi.org/10.1007/bf00642445.

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Goto, Tetsuya, Yusuke Fujii, Yoshiki Hanaoka, Kazuhiro Hongo, Jun Okamoto, Yoshihiro Muragaki et Toshihiro Ogiwara. « Usefulness of a Newly Developed Ultrasonic Microdissector in Neurosurgery : A Preliminary Experimental Study ». Journal of Neurological Surgery Part A : Central European Neurosurgery 80, no 02 (24 décembre 2018) : 096–101. http://dx.doi.org/10.1055/s-0038-1675782.

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Background Dissection and division of tissues are widely performed in microscopic neurosurgery, especially in brain tumor resection. Dissection maneuvers can be divided into two types: sharp dissection with microscissors and blunt dissection using a dissector. It is essential to use the appropriate method according to the intraoperative situation and conditions. Therefore, specific tools for each type of dissection maneuver are required. We developed an ultrasonic microdissector, a newly designed tool that functions as both microscissors and dissector to further advance brain tumor surgery. This preliminary experimental study was performed to evaluate the usefulness of this new device. Methods Solfy F (J. Morita Mfg. Corp., Kyoto, Japan), a dental ultrasonic instrument, was used to provide power in this study. Two experiments were performed. The first one involved touching the brain parenchyma of a pig cadaver with the tip of the ultrasonic microdissector under various conditions to investigate its side effects. In the second experiment, the rat femoral artery, vein, and nerve were dissected from surrounding structures using a prototype of the ultrasonic microdissector. The effects of this device were then investigated histologically. Results The amount of tissue damage was greater with the higher ultrasonic power. No irrigation and a long manipulation time also affected tissue degeneration. Dissection using the ultrasonic microdissector was superior to conventional dissection methods in terms of time (p < 0.05) and safety without any additional histologic damages. Conclusions The newly developed ultrasonic microdissector can dissect soft tissue without damage to the surrounding tissue. Further studies are required to determine the optimal intensity for its clinical use.
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Lubbe, D. E., N. Fisher-Jeffes et P. Semple. « Endoscopic resection of skull base tumours utilising the ultrasonic dissector ». Journal of Laryngology & ; Otology 126, no 6 (12 avril 2012) : 625–29. http://dx.doi.org/10.1017/s0022215112000588.

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AbstractObjective:We report the use and benefits of the ultrasonic dissector in the resection of difficult skull base lesions.Method:Five case reports are presented, and the utilisation of ultrasonic dissectors in otorhinolaryngology is reviewed.Results:The ultrasonic dissector was found to be a useful tool during the endoscopic resection of poorly accessible skull base tumours. Safe dissection and complete removal of all five lesions were achieved without any vascular injury. To our knowledge, this is the first report of the use of the ultrasonic dissector for the resection of sinonasal and skull base tumours.Conclusion:The ultrasonic dissector was found to be particularly useful during the endoscopic transnasal approach to the petrous apex. During minimally invasive endonasal surgery, benefits include the length of the instrument, speed and precision of dissection, and low risk of vascular injury.
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Albert, Sebastien, Charles Guedon, Caroline Halimi, Jean Pierre Cristofari et Beatrix Barry. « The Use of Harmonic Scalpel for Free Flap Dissection in Head and Neck Reconstructive Surgery ». Plastic Surgery International 2012 (20 mai 2012) : 1–4. http://dx.doi.org/10.1155/2012/302921.

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Surgeons conventionally use electrocautery dissection and surgical clip appliers to harvest free flaps. The ultrasonic Harmonic Scalpel is a new surgical instrument that provides high-quality dissection and hemostasis and minimizes tissue injury. The aim of this study was to evaluate the effectiveness and advantages of the ultrasonic Harmonic Scalpel compared to conventional surgical instruments in free flap surgery. This prospective study included 20 patients who underwent head and neck reconstructive surgery between March 2009 and May 2010. A forearm free flap was used for reconstruction in 12 patients, and a fibular flap was used in 8 patients. In half of the patients, electrocautery and surgical clips were used for free flap harvesting (the EC group), and in the other half of the patients, ultrasonic dissection was performed using the Harmonic Scalpel (the HS group). The following parameters were significantly lower in the HS group compared to the EC group: the operative time of flap dissection (35% lower in the HS group), blood loss, number of surgical clips and cost of surgical materials. This study demonstrated the effectiveness of the Harmonic Scalpel in forearm and fibular free flap dissections that may be extended to other free flaps.
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Oertel, Joachim, Michael Robert Gaab, Uwe Runge, Henry Werner Siegfried Schroeder et Juergen Piek. « Waterjet Dissection versus Ultrasonic Aspiration in Epilepsy Surgery ». Operative Neurosurgery 56, suppl_1 (1 janvier 2005) : ONS—142—ONS—146. http://dx.doi.org/10.1227/01.neu.0000144316.87764.13.

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Abstract OBJECTIVE: Waterjet dissection is currently under close investigation in neurosurgery. Experimentally, precise brain parenchyma dissection with vessel preservation has been demonstrated. Clinically, the safety of the instrument has already been proved. However, precise data demonstrating that waterjet dissection indeed reduces surgical blood loss are still missing. METHODS: The authors applied the waterjet device in a prospective randomized study in comparison with the ultrasonic aspirator. Because there is little variability in the procedure, 30 patients with temporal lobe epilepsy receiving a tailored temporal lobe resection between December 1999 and October 2002 were selected for this study. Intraoperative vessel preservation, intraoperative blood loss, surgical complications, and epilepsy outcome were evaluated. All patients were followed at 3-month intervals. RESULTS: During surgery, both instruments were easy to handle. Only with the waterjet dissector, however, were even small intraparenchymal blood vessels preserved. Intraoperative blood loss was significantly reduced with the waterjet (mean, 70 ± 46 ml) compared with the ultrasonic aspirator (mean, 121 ± 48 ml). However, no difference in the necessity for blood transfusion occurred. No difference was observed with respect to operation time (238.6 ± 37.0 min with the waterjet, 247.5 ± 41.5 min with the ultrasonic aspirator), surgical complications, and outcome. CONCLUSION: The waterjet dissector enables a significant reduction of intraoperative blood loss in the investigated setting. However, further studies are needed to confirm these results with a larger number of patients. Studies also are needed to prove that the reduction of blood loss is of clinical relevance for the outcome of the patients.
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Deori, Ananya, Nikhil Gupta, Arun Kumar Gupta, Raghav Yelamanchi, Himanshu Agrawal et C. K. Durga. « A Prospective Randomised Controlled Study Comparing Ultrasonic Dissector with Electrocautery for Axillary Dissection in Patients of Carcinoma Breast ». Malaysian Journal of Medical Sciences 28, no 1 (24 février 2021) : 97–104. http://dx.doi.org/10.21315/mjms2021.28.1.12.

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Background: Axillary dissection is one of the important components of modified radical mastectomy (MRM). The present study was conducted to compare surgical outcomes by using monopolar electrocautery and ultrasonic dissector for axillary dissection in MRM. Methods: A parallel randomised controlled single blinded study was conducted with a sample size of 70 patients who were randomised into two groups. One group underwent MRM using ultrasonic dissector (Group A) and the other one using electrocautery (Group B). Intra- and post-operative outcomes were compared. Results: Group A had an average operating time of 30.86 min, which was statistically less than that of Group B. The mean mop count and the daily drain output in Group A were less as compared to Group B and the differences were statistically significant. Drain was removed early in Group A as compared to Group B. However, post-operative pain scores and seroma formation were not statistically significant among the two groups. Conclusion: Ultrasonic dissector group had significantly lesser intra-operative bleeding, operating time and post-operative drain output when compared to electrocautery group. However, the two groups had no significant difference in post-operative pain scores and seroma formation.
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González-Moreno, Santiago, et Paul H. Sugarbaker. « Ultrasonic dissection for pseudomyxoma peritonei ». Diseases of the Colon & ; Rectum 43, no 10 (octobre 2000) : 1454–56. http://dx.doi.org/10.1007/bf02236649.

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Manna, Ronald. « Ultrasonic dissection and coagulation system ». Journal of the Acoustical Society of America 111, no 3 (2002) : 1146. http://dx.doi.org/10.1121/1.1469282.

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Wuchinich, David G. « Longitudinal-Torsional ultrasonic tissue dissection ». Journal of the Acoustical Society of America 119, no 6 (2006) : 3530. http://dx.doi.org/10.1121/1.2212638.

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Gossot, D., G. Buess, A. Cuschieri, E. Leporte, M. Lirici, R. Marvik, D. Meijer, A. Melzer et M. O. Schurr. « Ultrasonic dissection for endoscopic surgery ». Surgical Endoscopy 13, no 4 (avril 1999) : 412–17. http://dx.doi.org/10.1007/s004649901002.

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Thèses sur le sujet "Ultrasonic dissection"

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Matteo, De Pastena. « Tri-Staple vs Ultrasonic Scalpel in Distal Pancreatectomy (TRUDY). A randomized controlled, multicenter, patient blinded, superiority trial ». Doctoral thesis, 2021. http://hdl.handle.net/11562/1043812.

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Background: Several systematic reviews have investigated pancreatic stump management to reduce the postoperative pancreatic fistula (POPF) rate. The study aimed to evaluate if the parenchymal transection using the triple-row reinforced stapler decreases the incidence of POPF compared with ultrasonic transection after distal pancreatectomy (DP). Methods: a bicentric, phase 3, patient-blinded, randomized clinical trial was conducted. All patients submitted to elective DP from July 2018 through July 2020 were screened. Exclusion criteria were an extended resection, gastrointestinal resections or anastomoses, and a pancreatic thickness >17 mm measured at the point of parenchymal transection. The experimental group received the Endo GIA Reinforced Reload with Tri-Staple Technology (TS), while the control group the Harmonic Focus (US). Results:A total of 152 patients undergoing DP met the inclusion criteria and were randomized. Due to a positive transection margin on frozen section analysis requiring further resection, seven patients were excluded post-randomization. Therefore, the final population comprised 72 patients in the TS arm and 73 patients in the US arm. Overall, 23 patients (16%) developed POPF. There were 19 grade B (14%) and 4 grade C fistulas (2%). The incidence of POPF was similar between groups (TS 12% vs. US 19%, p=0.191). Conclusion: the present randomized controlled trial of stapled transection using a PGA-reinforced triple-row stapler versus ultrasonic transection with HARMONIC energy devices in elective DP demonstrated no significant difference in POPF rates.
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Meis, Johanna. « Morphometrischer Vergleich der Gewebeveränderung bei Weichgewebedissektion mit dem Ultraschallskalpell und monopolarer Elektrokoagulation ». Doctoral thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5E0F-2.

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Livres sur le sujet "Ultrasonic dissection"

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Feil, Wolfgang, Bernard Dallemagne, Michel Degueldre, Michel Degueldre et Minna Kauko. Ultrasonic Energy for Cutting, Coagulating, and Dissecting. Thieme Medical Publishers, Incorporated, 2004.

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Feil, Wolfgang M. D., Michel, M.D., Ph.D. Degueldre, Dietrich M. D. Lohlein, Bernhard M. D. Dallemagne, Minna, M.D., Ph.D. Kauko et Bruno M. D. Walther. Ultrasonic Energy For Cutting, Coagulating, And Dissecting. Thieme Medical Publishers, 2004.

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Chapitres de livres sur le sujet "Ultrasonic dissection"

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Malik, Sajid, Farah Khairi et Sujith Wijerathne. « Surgical Smoke : Risks and Mitigation Strategies ». Dans Mastering Endo-Laparoscopic and Thoracoscopic Surgery, 69–73. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3755-2_11.

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AbstractAs the usage of electrocautery, ultrasonic scalpels, and lasers have become commonplace, operative staff and patients alike are at increased risk of exposure to dangerous surgical smoke emanating from these devices. Terms like “smoke,” “plume,” and less commonly “aerosol” are used to refer to by-products of laser tissue ablation and electrocautery, whereas “plume,” “aerosol,” and “vapor” are associated with ultrasonic dissection. “Smoke,” although not formally accurate in all cases, is a widely accepted term used to describe surgically generated gaseous by-product [1].
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Chen, L. G., L. N. Sun, Y. X. Liu et H. X. Wang. « A Novel Micro-Dissection Method Using Ultrasonic Vibration for Molecular Analysis ». Dans Progress of Precision Engineering and Nano Technology, 291–96. Stafa : Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-430-8.291.

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Raestrup, H., L. Schnieder, S. Klingele, K. Manncke, C. Kleessen, G. Buess et H. D. Becker. « Dissektionstechnik - 1st der Ultraschall das beste Medium ? / Dissection Techniques : Is Ultrasonic the Best Device ? » Dans Deutsche Gesellschaft für Chirurgie, 69–70. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56458-1_20.

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Ercolani, Giorgio, Matteo Ravaioli, Matteo Serenari, Paolo Di Gioia et Antonio Daniele Pinna. « Open Hepatic Transection Using Ultrasonic Dissector ». Dans Open, Laparoscopic and Robotic Hepatic Transection, 89–95. Milano : Springer Milan, 2012. http://dx.doi.org/10.1007/978-88-470-2622-3_13.

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Hodgson, W. J. B., Margaret Kemeny, Johannes Scheele et Karl-Göran Tranberg. « Does the ultrasonic dissector improve the quality of hepato-pancreatico-biliary (HPB) surgery ? » Dans Progress in Surgery of the Liver, Pancreas and Biliary System, 143–62. Dordrecht : Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3349-1_8.

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Cinalli, Giuseppe, et Maria Rosaria Scala. « Dissection of lateral wall ». Dans Resection of a Craniopharyngioma with Endoscopic Ultrasonic Surgical Aspirator. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-94362-2_5.

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Cinalli, Giuseppe, et Maria Rosaria Scala. « Dissection of tumor cyst from tuber cinereum ». Dans Resection of a Craniopharyngioma with Endoscopic Ultrasonic Surgical Aspirator. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-94362-2_6.

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Clark, Thomas, et Peter Macnaughton. « Aortic assessment ». Dans Focused Intensive Care Ultrasound, sous la direction de Marcus Peck et Peter Macnaughton, 151–59. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780198749080.003.0017.

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Imaging the aorta is an advanced skill, although important pathology may be identified by the critical care sonographer when undertaking focused transthoracic echocardiography and basic abdominal ultrasound. This chapter outlines the appearances of the normal aorta in focused echocardiography and abdominal ultrasound. The ultrasonic appearances of an aortic aneurysm and dissection are described.
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Huang, Haibo, Hao Su et Changhai Ru. « Design and Evaluation of a Piezo-Driven Ultrasonic Cell Injector ». Dans Prototyping of Robotic Systems, 327–55. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0176-5.ch011.

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In this chapter, a novel piezo-driven cell injection system for automatic batch injection of suspended cells is presented; it has simplified operational procedure and better performance than the previous ones. Specifically, this new piezo-driven cell injector design has three aspects of merits: 1) by centralizing the piezo oscillation energy on the injector pipette, it eliminates the vibration amplitude of other parts of the micromanipulator; 2) meanwhile, a small piezo stack is sufficient to perform the cell injection process; and 3) detrimental lateral tip oscillations of the injector pipette are attenuated to satisfactory amount even without mercury column. The removal of mercury enables wide applications of this advanced cell injection technology in a number of cell manipulation scenarios. Furthermore, ultrasonic vibration micro-dissection (UVM) theory is utilized to analyze the piezo-driven cell injection process, and lateral oscillation of injector pipettes is investigated. Experiments on cell injection of a large amount of zebrafish embryos (n=300) indicate that the injector pipette is capable of piercing through cell membranes with low injection speed and almost no deformation of the cell wall, but with a high success rate.
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Actes de conférences sur le sujet "Ultrasonic dissection"

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Gao, Xiwei, Haibo Huang, Liguo Chen, Mingqiang Pan, Su Yan, Yaqing Li et Lining Sun. « Design and Simulation Optimization of a Novel Oocyte Ultrasonic Micro-dissection Instrument ». Dans 2018 15th International Conference on Control, Automation, Robotics and Vision (ICARCV). IEEE, 2018. http://dx.doi.org/10.1109/icarcv.2018.8581216.

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Zhong, Haijian, Weican Guo, Cunjian Miao, Jianfeng Shi et Dongsheng Hou. « The Research on Automatic Defect Recognition for Phased Array Ultrasonic Inspection of Polyolefin Butt Thermal-Fusion Joint ». Dans ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84497.

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Butt thermal-fusion joint is one of the main joints for polyolefin pipes. It could lead to different failure modes caused by factors such as different environments and operations, which will makes the joints become one of the most dangerous potential risks in polyolefin pipe system. As different defects could lead to different failure modes, defect recognition and classification are considered to be the critical issue for ultrasonic inspection. Based on the previous researches about defect recognition, simulation and experiments on artificial specimens in ultrasonic inspection, the imaging mechanism and identifying method were investigated for different defects, and the corresponding relations between joint defect characteristics and ultrasonic images were proposed. Furthermore, a defect recognition method was established. Many defect inspection, identification and dissection experiments were conducted on unknown defects, and the proposed method of automatic defect recognition was verified.
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Wang, Yuanyuan, Chengwu Huang, Shuhong Ma, Qiong He, Feng Lan et Jianwen Luo. « Pulse Wave Imaging for Assessing Arterial Stiffness Change in A Mouse Model of Thoracic Aortic Dissection in Marfan Syndrome ». Dans 2019 IEEE International Ultrasonics Symposium (IUS). IEEE, 2019. http://dx.doi.org/10.1109/ultsym.2019.8926304.

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Palmisciano, Paolo, Gianluca Scalia, Salvatore Cicero, Angelo Spitaleri, Marco Fricia, Santino O. Tomasi, Giovanni F. Nicoletti, Massimiliano Visocchi et Giuseppe E. Umana. « Use of BoneScalpel Ultrasonic Bone Dissector in Anterior Clinoidectomy and Posterior Fossa Surgery : Technical Note ». Dans 31st Annual Meeting North American Skull Base Society. Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/s-0042-1743917.

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